3400634 has 8 divisors (see below), whose sum is σ = 5165760. Its totient is φ = 1678716.

The previous prime is 3400613. The next prime is 3400637. The reversal of 3400634 is 4360043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3400637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10604 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (645720).

Almost surely, 2^3400634 is an apocalyptic number.

3400634 is a deficient number, since it is larger than the sum of its proper divisors (1765126).

3400634 is a wasteful number, since it uses less digits than its factorization.

3400634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21604.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3400634 is about 1844.0808008328. The cubic root of 3400634 is about 150.3788055335.

Adding to 3400634 its reverse (4360043), we get a palindrome (7760677).

The spelling of 3400634 in words is "three million, four hundred thousand, six hundred thirty-four".